Isabelle was the daughter of Jean III (IV) de Hénin-Liétard and Catherine de Béthune. The date and place of her birth have not been found.
She died about 1499. The place is not known.
Her husband was Adrien de Blois de Treslong. They were married, but the date and place have not been found. They had no known children.
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Isabelle de Hénin-Boussu |
Jean III (IV) de Hénin-Liétard |
Wauthier II de Hénin-Boussu |
Jean III de Hénin |
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Jeanne de Walcourt-Rochefort |
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Catherine de Béthune |
Jean II de Béthune |
Jean I de Béthune |
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Jeanne de Coucy |
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Isabeau d'Estouteville |
Robert VII d'Estouteville |
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Marguerite de Montmorency |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | ABT 1499 |
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